> For the complete documentation index, see [llms.txt](https://anida-huang.gitbook.io/cloud-communication/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://anida-huang.gitbook.io/cloud-communication/qi-zhong/20201103-zi-liao-juan-yu-wang-lu-san.md).

# 20201103 資料卷與網路 (三)

## 課堂資料

{% embed url="<https://github.com/yangshun2005/gitlab-cicd>" %}

{% embed url="<https://blog.techbridge.cc/2018/09/07/docker-compose-tutorial-intro/>" %}

## 課堂練習

### GitLab-CICD

{% tabs %}
{% tab title="vm1" %}

## step 1.

{% hint style="info" %}
本地端建立 Docker Images 並測試是否能正常運作
{% endhint %}

```
git clone https://github.com/yangshun2005/gitlab-cicd.git
```

![](https://483685739-files.gitbook.io/~/files/v0/b/gitbook-legacy-files/o/assets%2F-MHFSfnhkNCUTnJ2hcGc%2F-MLBs9LQNrfEn7IqTRpu%2F-MLBsvgrQxCDYAJIpfUd%2Fimage.png?alt=media\&token=e1166777-5515-45aa-a1ea-a848d8b2b2a2)

```
cd gitlab-cicd/
```

![](https://483685739-files.gitbook.io/~/files/v0/b/gitbook-legacy-files/o/assets%2F-MHFSfnhkNCUTnJ2hcGc%2F-MLBs9LQNrfEn7IqTRpu%2F-MLBt2ThEgtBvSQ2rU-t%2Fimage.png?alt=media\&token=fcfa8d65-a8bb-475d-baf4-90547678eba4)

```
cd testgolang/
```

![](https://483685739-files.gitbook.io/~/files/v0/b/gitbook-legacy-files/o/assets%2F-MHFSfnhkNCUTnJ2hcGc%2F-MLBs9LQNrfEn7IqTRpu%2F-MLBtAIcwAU3ZFgWyxsz%2Fimage.png?alt=media\&token=88ce50ae-4ba8-4924-99b7-9225f85b6fdb)

```
gedit Dockerfile main.go &
```

```
docker build -t testgo:1.0 .
```

![](https://483685739-files.gitbook.io/~/files/v0/b/gitbook-legacy-files/o/assets%2F-MHFSfnhkNCUTnJ2hcGc%2F-MLBs9LQNrfEn7IqTRpu%2F-MLBtICGTbmxoVKXpnev%2Fimage.png?alt=media\&token=53889b1d-42b7-4a20-9224-ce3fd7ac8afd)

```
docker run -d -p 8001:8001 testgo:1.0
```

![](https://483685739-files.gitbook.io/~/files/v0/b/gitbook-legacy-files/o/assets%2F-MHFSfnhkNCUTnJ2hcGc%2F-MLBs9LQNrfEn7IqTRpu%2F-MLBtQdrhci-sFBWt-hY%2Fimage.png?alt=media\&token=b874a973-7822-4687-8dce-0d73d8ca66cc)

```
curl [IP 位置]:8001/hello
```

![](https://483685739-files.gitbook.io/~/files/v0/b/gitbook-legacy-files/o/assets%2F-MHFSfnhkNCUTnJ2hcGc%2F-MLBs9LQNrfEn7IqTRpu%2F-MLBte36oJzdEnEsIkdl%2Fimage.png?alt=media\&token=647f3c0b-bff6-4631-bb48-f99f2014a878)

## step 3.

{% hint style="info" %}
在 GitLab 上新增一個 Project ( test go )
{% endhint %}

![](https://483685739-files.gitbook.io/~/files/v0/b/gitbook-legacy-files/o/assets%2F-MHFSfnhkNCUTnJ2hcGc%2F-MLC-iLaNco_DDffuBeM%2F-MLC0ac7B6ZNMh-S223D%2Fimage.png?alt=media\&token=c9fb8c0a-0e08-440c-8982-bbc8e95e5539)

> **Git global setup**

```
git config --global user.name "Anida-Huang"
```

![](https://483685739-files.gitbook.io/~/files/v0/b/gitbook-legacy-files/o/assets%2F-MHFSfnhkNCUTnJ2hcGc%2F-MLC-iLaNco_DDffuBeM%2F-MLCAOXRDca2Z2je9DQw%2Fimage.png?alt=media\&token=b65e8447-84d9-4dd8-a6e7-83a16dcae53c)

```
git config --global user.email "xiaoji850312@gmail.com"
```

![](https://483685739-files.gitbook.io/~/files/v0/b/gitbook-legacy-files/o/assets%2F-MHFSfnhkNCUTnJ2hcGc%2F-MLC-iLaNco_DDffuBeM%2F-MLCAWQUG6tt2pBA55o2%2Fimage.png?alt=media\&token=7bb5fec2-faa4-417b-b3fa-5a26ed7483e0)

> **Push an existing folder**

```
git init
```

```
git remote add origin git@gitlab.com:Anida-Huang/testgo.git
```

![](https://483685739-files.gitbook.io/~/files/v0/b/gitbook-legacy-files/o/assets%2F-MHFSfnhkNCUTnJ2hcGc%2F-MLC-iLaNco_DDffuBeM%2F-MLCAgUF7PfKrGa27u5J%2Fimage.png?alt=media\&token=d941cea6-a192-4a85-a9ac-28352bfe90fd)

```
git add .
```

![](https://483685739-files.gitbook.io/~/files/v0/b/gitbook-legacy-files/o/assets%2F-MHFSfnhkNCUTnJ2hcGc%2F-MLC-iLaNco_DDffuBeM%2F-MLCAml4IVFzc-r8xVb1%2Fimage.png?alt=media\&token=579029a9-a2c2-4ad0-8157-6fa9ee42ba72)

```
git commit -m "Initial commit"
```

![](https://483685739-files.gitbook.io/~/files/v0/b/gitbook-legacy-files/o/assets%2F-MHFSfnhkNCUTnJ2hcGc%2F-MLC-iLaNco_DDffuBeM%2F-MLCAt-911hL0OJEigdA%2Fimage.png?alt=media\&token=4f896dfc-b0f8-4ca7-bee4-1cf17b39f2b6)

```
git push -u origin master
```

![](https://483685739-files.gitbook.io/~/files/v0/b/gitbook-legacy-files/o/assets%2F-MHFSfnhkNCUTnJ2hcGc%2F-MLC-iLaNco_DDffuBeM%2F-MLCA5thgX_pGzxXiDmT%2Fimage.png?alt=media\&token=410bb228-243a-4247-ba26-ae12b3fd5410)

## Step 05.

```
gedit .gitlab-ci.yml
```

![](https://483685739-files.gitbook.io/~/files/v0/b/gitbook-legacy-files/o/assets%2F-MHFSfnhkNCUTnJ2hcGc%2F-MLCUl2Znk37N3g4YAU8%2F-MLC_NY0ZnPWCH_qNmHx%2Fimage.png?alt=media\&token=b985b2b5-cc06-4787-8ff1-b89c19a7f514)

```
git add .gitlab-ci.yml
```

![](https://483685739-files.gitbook.io/~/files/v0/b/gitbook-legacy-files/o/assets%2F-MHFSfnhkNCUTnJ2hcGc%2F-MLC_sfZ0Tnas9hX7J3x%2F-MLCaZnCeRG24IDMChGe%2Fimage.png?alt=media\&token=51a22282-c1d2-4f03-9f73-461ac2ada162)

```
git commit -m "submit a modified .gitlab-ci.yml"
```

![](https://483685739-files.gitbook.io/~/files/v0/b/gitbook-legacy-files/o/assets%2F-MHFSfnhkNCUTnJ2hcGc%2F-MLC_sfZ0Tnas9hX7J3x%2F-MLCai4EcLKGKKXt6ME9%2Fimage.png?alt=media\&token=c730f3c2-dd57-4685-8820-7ff97d57f0bb)

```
git push -u origin master
```

![](https://483685739-files.gitbook.io/~/files/v0/b/gitbook-legacy-files/o/assets%2F-MHFSfnhkNCUTnJ2hcGc%2F-MLC_sfZ0Tnas9hX7J3x%2F-MLCaw3a22GGn6uAhoJI%2Fimage.png?alt=media\&token=c2034804-c7bc-426c-922e-6598e6ec1bf3)

![](https://483685739-files.gitbook.io/~/files/v0/b/gitbook-legacy-files/o/assets%2F-MHFSfnhkNCUTnJ2hcGc%2F-MOo89Oi5tb8lezgytqZ%2F-MOoJaXWPbS3lt41FMBU%2Fimage.png?alt=media\&token=5355d060-afb0-4bfc-9ad7-f104699a9036)

![](https://483685739-files.gitbook.io/~/files/v0/b/gitbook-legacy-files/o/assets%2F-MHFSfnhkNCUTnJ2hcGc%2F-MOo89Oi5tb8lezgytqZ%2F-MOoJgPRFsHYvMQfnSps%2Fimage.png?alt=media\&token=a5bab106-dd34-4c87-979e-d16eb6b84120)

![](https://483685739-files.gitbook.io/~/files/v0/b/gitbook-legacy-files/o/assets%2F-MHFSfnhkNCUTnJ2hcGc%2F-MOo89Oi5tb8lezgytqZ%2F-MOoK724ESiOSDs6DGG3%2Fimage.png?alt=media\&token=ea05b738-b40f-496b-8e5a-38a0c1008b96)

```
git add main.go
```

```
git commit -m "modified main.go"
```

```
git push -u origin master
```

![](https://483685739-files.gitbook.io/~/files/v0/b/gitbook-legacy-files/o/assets%2F-MHFSfnhkNCUTnJ2hcGc%2F-MOo89Oi5tb8lezgytqZ%2F-MOoL5B67CyRUoRXX2r7%2Fimage.png?alt=media\&token=0959da64-5b26-4a39-aa85-90e0e964027e)

![](https://483685739-files.gitbook.io/~/files/v0/b/gitbook-legacy-files/o/assets%2F-MHFSfnhkNCUTnJ2hcGc%2F-MOo89Oi5tb8lezgytqZ%2F-MOoMOzOssna0OXuz2-l%2Fimage.png?alt=media\&token=ef6c813c-9da9-4b4c-a39c-eac6799e3049)

{% endtab %}

{% tab title="vm2" %}

## step 2.

{% hint style="danger" %}
在另一台機器 \[ vm2 ] 安裝 gitlab-runner，并產生 ssh-key。

把 public key 貼到 GitLab 上
{% endhint %}

```
cd
```

![](https://483685739-files.gitbook.io/~/files/v0/b/gitbook-legacy-files/o/assets%2F-MHFSfnhkNCUTnJ2hcGc%2F-MLBs9LQNrfEn7IqTRpu%2F-MLBxlDqk5bHJsR0KDE2%2Fimage.png?alt=media\&token=c888c056-f103-4313-9013-225f60b09d2b)

```
cd .ssh
```

![](https://483685739-files.gitbook.io/~/files/v0/b/gitbook-legacy-files/o/assets%2F-MHFSfnhkNCUTnJ2hcGc%2F-MLBs9LQNrfEn7IqTRpu%2F-MLBxfU2qR8HLxPoB3TG%2Fimage.png?alt=media\&token=dec5f487-1805-431b-8982-abc8f98954cd)

```
cat id_rsa.pub
```

![](https://483685739-files.gitbook.io/~/files/v0/b/gitbook-legacy-files/o/assets%2F-MHFSfnhkNCUTnJ2hcGc%2F-MLBs9LQNrfEn7IqTRpu%2F-MLBxsKAtLfb3ZxbfY_l%2Fimage.png?alt=media\&token=10e9d030-06b1-4b44-aa5a-15500c3ba593)

```
pwd
```

![](https://483685739-files.gitbook.io/~/files/v0/b/gitbook-legacy-files/o/assets%2F-MHFSfnhkNCUTnJ2hcGc%2F-MLBs9LQNrfEn7IqTRpu%2F-MLBxyXGlCaIbOci2J0k%2Fimage.png?alt=media\&token=ae4cae36-419e-49d3-b554-dc453ba6a1cf)

> 在 GitLab 貼上 SSH Key

![](https://483685739-files.gitbook.io/~/files/v0/b/gitbook-legacy-files/o/assets%2F-MHFSfnhkNCUTnJ2hcGc%2F-MLByKbD7CVI9DHv9or_%2F-MLC-egtOa4CA3BXskdx%2Fimage.png?alt=media\&token=d34c1b71-499d-4ec3-8f9d-0f54b227ea23)

![](https://483685739-files.gitbook.io/~/files/v0/b/gitbook-legacy-files/o/assets%2F-MHFSfnhkNCUTnJ2hcGc%2F-MLC-iLaNco_DDffuBeM%2F-MLC-sBWHHkt9_vtRzos%2Fimage.png?alt=media\&token=d381c88a-4fa7-4c0c-aab2-f3f935861841)

## step 4.

{% hint style="info" %}
在 \[ vm2 ] 執行`gitlab-runner register`
{% endhint %}

> Simply download one of the binaries for your system：

```
https://blog.techbridge.cc/2018/09/07/docker-compose-tutorial-intro/
```

> Give it permissions to execute：

```
chmod +x /usr/local/bin/gitlab-runner
```

> Create a GitLab CI user：

```
useradd --comment 'GitLab Runner' --create-home gitlab-runner --shell /bin/bash
```

```
usermod -aG docker gitlab-runner
```

![](https://483685739-files.gitbook.io/~/files/v0/b/gitbook-legacy-files/o/assets%2F-MHFSfnhkNCUTnJ2hcGc%2F-MLCUl2Znk37N3g4YAU8%2F-MLCW5Ici_acjGBznvcd%2Fimage.png?alt=media\&token=ea6dff05-b834-49e9-8943-395d98f8ee79)

```
gitlab-runner register
```

![](https://483685739-files.gitbook.io/~/files/v0/b/gitbook-legacy-files/o/assets%2F-MHFSfnhkNCUTnJ2hcGc%2F-MLCUl2Znk37N3g4YAU8%2F-MLCWEEKe1lma5UuPzyU%2Fimage.png?alt=media\&token=8ed2018e-07bc-46bc-9645-fc596af3d9b0)

```
https://gitlab.com/
```

![](https://483685739-files.gitbook.io/~/files/v0/b/gitbook-legacy-files/o/assets%2F-MHFSfnhkNCUTnJ2hcGc%2F-MLCUl2Znk37N3g4YAU8%2F-MLCWQFGQ66-07UUsbxf%2Fimage.png?alt=media\&token=45a966f2-c58f-497e-a6a9-f949fa1f136c)

> token 值

```
7S3H_DR4rfkoP_hPHeMP
```

![](https://483685739-files.gitbook.io/~/files/v0/b/gitbook-legacy-files/o/assets%2F-MHFSfnhkNCUTnJ2hcGc%2F-MLCUl2Znk37N3g4YAU8%2F-MLCXBIq19H0AMPI_1hu%2Fimage.png?alt=media\&token=15ca883e-8d35-4a34-aa70-ace2526fadea)

![](https://483685739-files.gitbook.io/~/files/v0/b/gitbook-legacy-files/o/assets%2F-MHFSfnhkNCUTnJ2hcGc%2F-MLCUl2Znk37N3g4YAU8%2F-MLCWkjfH7hhxKLWT-Vu%2Fimage.png?alt=media\&token=532ac6b1-ef89-4278-a064-c789a90ef498)

> 設置名稱

```
vm2
```

```
vm2
```

![](https://483685739-files.gitbook.io/~/files/v0/b/gitbook-legacy-files/o/assets%2F-MHFSfnhkNCUTnJ2hcGc%2F-MLCUl2Znk37N3g4YAU8%2F-MLCWactZPze96cN0Wnl%2Fimage.png?alt=media\&token=51691ca5-e60f-4d3e-a039-7a7248bd7ad9)

> 執行方式

```
shell
```

![](https://483685739-files.gitbook.io/~/files/v0/b/gitbook-legacy-files/o/assets%2F-MHFSfnhkNCUTnJ2hcGc%2F-MLCUl2Znk37N3g4YAU8%2F-MLCWroFopkFrVvvacbh%2Fimage.png?alt=media\&token=e108522a-5bce-401c-b2cf-5845a9a4d590)

![](https://483685739-files.gitbook.io/~/files/v0/b/gitbook-legacy-files/o/assets%2F-MHFSfnhkNCUTnJ2hcGc%2F-MLCUl2Znk37N3g4YAU8%2F-MLCXjjcSybSreU1oX3W%2Fimage.png?alt=media\&token=510bdfc4-793f-4be0-b3f0-728637f51762)

![](https://483685739-files.gitbook.io/~/files/v0/b/gitbook-legacy-files/o/assets%2F-MHFSfnhkNCUTnJ2hcGc%2F-MLl5g406TAVxuUWdCuo%2F-MLlRDqkRJkTPxuUf1T0%2Fimage.png?alt=media\&token=62d67573-a8ec-4197-ac56-9d18fe7345e9)

```
docker images
```

```
cd
```

```
cd /home/user
```

## Step 06.

```
docker images
```

```
gitlab-runner start
```

## Step 07.

```
docker ps
```

```
docker ps rm -f [容器ID]
```

{% endtab %}
{% endtabs %}

### Docker Compose

```
cd
```

```
mkdir test-dockercompose
```

```
cd test-dockercompose/
```

> #### 創建 ubuntu 並安裝 nginx 的 image

```
gedit Dockerfile
```

```
FROM ubuntu:16.04
MAINTAINER demo@gmail.com

RUN apt-get update
RUN apt-get install –y nginx
CMD ["echo", "Nginx Image created"]
```

![](https://483685739-files.gitbook.io/~/files/v0/b/gitbook-legacy-files/o/assets%2F-MHFSfnhkNCUTnJ2hcGc%2F-MOo89Oi5tb8lezgytqZ%2F-MOoUX1LpR0z4L4m8yt_%2Fimage.png?alt=media\&token=d551f4c4-6f96-4740-8cb7-4e8f8e5f88db)

> #### 建立 app.py 當做 web app 進入點

```
gedit app.py
```

```
import time
import redis
from flask import Flask

app = Flask(__name__)
cache = redis.Redis(host='redis', port=6379)

def get_hit_count():
    retries = 5
    while True:
        try:
            return cache.incr('hits')
        except redis.exceptions.ConnectionError as exc:
            if retries == 0:
                raise exc
            retries -= 1
            time.sleep(0.5)

@app.route('/')
def get_index():
    count = get_hit_count()
    return 'Yo! 你是第 {} 次瀏覽\n'.format(count)

if __name__ == "__main__":
    app.run(host="0.0.0.0", debug=True) 
```

![](https://483685739-files.gitbook.io/~/files/v0/b/gitbook-legacy-files/o/assets%2F-MHFSfnhkNCUTnJ2hcGc%2F-MOo89Oi5tb8lezgytqZ%2F-MOoUMDWRBdO_HjRCBdl%2Fimage.png?alt=media\&token=0bfaa024-1b98-43e2-9c7e-f69b80f608cf)

> #### 建立套件 requirements.txt 安裝資訊讓 Dockerfile 可以下指令安裝套件

```
gedit requirements.txt
```

```
flask
redis
```

> #### 建立 Web App 的 Dockerfile

```
FROM Python
ADD . /code
WORKDIR /code
RUN pip install -r requirements.txt
CMD ["python", "app.py"]
```

> #### Docker Compose file 描述 services 運作狀況

```
gedit docker-compose.yml &
```

```
version: '3'
services:
web:
    build: .
    ports:
    -"5000:5000"
    volumes:
    - .:/code
redis:
    image: "redis:alpine"
```

#### 在背景執行更新`docker-compose`

```
docker-compose up -d
```

```
curl 127.0.0.1:5000
```

> #### 終止並移除 container

```
docker-compose down
```

```
docker-compose up -d
```

```
curl 127.0.0.1:5000
```